BRPI0501761A - Armazenamento seguro em meio gravável em um sistema de proteção de conteúdo - Google Patents

Armazenamento seguro em meio gravável em um sistema de proteção de conteúdo

Info

Publication number
BRPI0501761A
BRPI0501761A BR0501761-0A BRPI0501761A BRPI0501761A BR PI0501761 A BRPI0501761 A BR PI0501761A BR PI0501761 A BRPI0501761 A BR PI0501761A BR PI0501761 A BRPI0501761 A BR PI0501761A
Authority
BR
Brazil
Prior art keywords
storage area
value
secure storage
data
protection system
Prior art date
Application number
BR0501761-0A
Other languages
English (en)
Inventor
James M Alkove
Henry Paul Gabryjelski
Original Assignee
Microsoft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of BRPI0501761A publication Critical patent/BRPI0501761A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Technology Law (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Mathematical Physics (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

"ARMAZENAMENTO SEGURO EM MEIO GRAVáVEL EM UM SISTEMA DE PROTEçãO DE CONTEúDO". Uma aplicação em um dispositivo de computação para gravar dados em um meio de armazenamento associado com ele. Os dados vão ser gravados em uma área de armazenamento seguro associada com um objeto no meio de armazenamento, e a área de armazenamento seguro associada com um objeto no meio de armazenamento, e a área de armazenamento seguro tem uma área de armazenamento de valores associada com ela. A aplicação gera um valor de momento e emprega uma chave de sessão (KS) partilhada, para codificar o valor de momento com a (KS) para resultar no valor de momento, localiza a área de armazenamento de valores associada com a área de armazenamento seguro e armazena esse valor de momento na área de armazenamento de valores localizada. A aplicação emprega o valor de momento para gerar uma chave (KH), codifica os dados com a (KH), para resultar na (KA(data)), e envia a mesma para o meio de armazenamento para armazenamento na área de armazenamento seguro. Desse modo, a (KA(data)) é associada com o valor de momento na área de armazenamento de valores.
BR0501761-0A 2004-05-17 2005-05-16 Armazenamento seguro em meio gravável em um sistema de proteção de conteúdo BRPI0501761A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/847,516 US7664966B2 (en) 2004-05-17 2004-05-17 Secure storage on recordable medium in a content protection system

Publications (1)

Publication Number Publication Date
BRPI0501761A true BRPI0501761A (pt) 2006-01-10

Family

ID=34939654

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0501761-0A BRPI0501761A (pt) 2004-05-17 2005-05-16 Armazenamento seguro em meio gravável em um sistema de proteção de conteúdo

Country Status (10)

Country Link
US (1) US7664966B2 (pt)
EP (1) EP1598822B1 (pt)
JP (1) JP2005332399A (pt)
KR (1) KR20060047953A (pt)
CN (1) CN100442252C (pt)
AU (1) AU2005201847A1 (pt)
BR (1) BRPI0501761A (pt)
CA (1) CA2507369A1 (pt)
MX (1) MXPA05005218A (pt)
RU (1) RU2005114872A (pt)

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Also Published As

Publication number Publication date
CN100442252C (zh) 2008-12-10
US20050257074A1 (en) 2005-11-17
KR20060047953A (ko) 2006-05-18
JP2005332399A (ja) 2005-12-02
EP1598822B1 (en) 2017-12-27
EP1598822A2 (en) 2005-11-23
MXPA05005218A (es) 2006-03-08
CN1700193A (zh) 2005-11-23
US7664966B2 (en) 2010-02-16
CA2507369A1 (en) 2005-11-17
RU2005114872A (ru) 2006-11-27
AU2005201847A1 (en) 2005-12-01
EP1598822A3 (en) 2006-06-21

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.